A rapid detection method for apoptosis and necrosis measurement using the Cellometer imaging cytometry

Area of Science:

• Biomedical research
• Cell biology
• Drug discovery

Background:

• Apoptosis and necrosis are crucial in preclinical pharmaceutical drug discovery.
• Assessing compound cytotoxicity aids in identifying potential drug candidates.
• Nexcelom Bioscience LLC developed a new imaging cytometry system for cell analysis.

Purpose of the Study:

• To demonstrate Cellometer imaging cytometry for apoptosis and necrosis detection.
• To evaluate its use as a quick, simple, and inexpensive alternative for cell death assays.
• To compare its performance against conventional flow cytometry.

Main Methods:

• Utilized Cellometer imaging cytometry for fluorescence-based cell death assays.
• Studied dose-response effects of heat and drug-induced cell death in Jurkat cells.
• Labeled cells with annexin V-FITC (apoptotic) and propidium iodide (necrotic).
• Compared results with conventional flow cytometry.

Main Results:

• Cellometer imaging cytometry successfully detected apoptosis and necrosis.
• Experimental results showed similar cell population data compared to flow cytometry.
• Demonstrated dose-response effects of cell death induction.

Conclusions:

• Cellometer imaging cytometry is a viable method for apoptosis and necrosis detection.
• It offers a rapid, cost-effective alternative to traditional methods, especially for smaller labs.
• Enhances research efficiency in pharmaceutical discovery and validation.